Write the number as a fraction. Do not simplify.0.80
A. 
B. 
C. 
D. 
Answer: C
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Find the length of the curve.The curve r = 6
, 0 ? ? ? 
A. 2?
B. 
?
C. 
(? + 2)
D. 6(? + ln(? + 
))
Construct a truth table to determine when the lightbulb is on. That is, determine which switches must be open and which switches must be closed for the lightbulb to be on. 
A. The lightbulb will be on when p, q, and r are all closed, or when p and r are closed and q is open.
B. The lightbulb will be on when p and q are closed and r is open.
C. The lightbulb will be on in all cases except when p, q, and r are all open, or when p and r are open and q is closed.
D. The lightbulb will be on when p, q, and r are all closed, or when p and r are closed and q is open.
If a pair of dice, one green and one red, is rolled, what is the probability that the sum of the two dice is a number between 3 and 9, inclusive?
Collect like terms.
x + 
y - 
x - 
y + 12
A. 
x + 
y + 12
B. 
x + 
y + 12
C. 
x + 
y + 12
D. 
x + 
y + 12